A new study suggests Mars could help scientists understand how alien worlds evolve by showing how a once warmer, wetter ...

Humanity has dreamed about discovering life on alien planets for as long as we have dreamed about visiting other worlds. Since Mars is the closest planet to Earth we can feasibly visit (hopefully by ...

Last fall, a Chinese spacecraft orbiting Mars captured images of a comet from another star system, offering scientists a ...

NASA engineers spun next-gen Mars helicopter blades past Mach 1 without shattering them. See how JPL unlocked the future of alien flight.

A photo of a three-sided Martian "pyramid" has sparked discussions on potential advanced life on the Red Planet. Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a ...

Here's why these new results are so encouraging for scientists.

NASA's Curiosity rover has photographed extraordinary spiderweb-like formations on Mars that scientists believe could hold the key to ancient life on Mars ...

Curiosity rover’s discovery of a diverse set of organic molecules in a Mars rock sample strengthens evidence that the planet once had the chemistry needed to support life.

As scientists search for life beyond Earth, spacecraft need to avoid accidentally bringing organisms from our home planet to ...

A rendering of the mid-air deployment of one of the SkyFall copters. (NASA Jet Propulsion Laboratory/AeroVironment, Inc.) ...